twinview problem

[Yves-Alexis Perez]

On Tue, Apr 29, 2008 at 01:17:11PM +0000, jouke hijlkema wrote:
> Hello all,
> 
> This is probably not an XFCE issue but it's driving me insane and I was
> hoping you could shed some light.
> I have an NVIDIA Quadro FX 540 with 2 monitors attached, one on the dvi
> and one on the analogue  port.
> If I launch xfce using the xfcestart4 script, all goes well (this is
> what I've been using for the last couple of months). However, I upgraded
> to xubuntu 8.04 and for lots of reasons, mainly access rights on my USB
> key, I have to use gdm. The strange thing is that now TwinView no longer
> works (new windows open in between screens).
> If I launch the nvidia-settings tool, it gives a warning telling me that
> I'm not running an NVIDIA driver unless I specifically give the display ID.

I'd say it has nothing to do with gdm (and I dont understand your issue with
gdm and the usb keys anyway). This looks like a randr 1.2 issue, or something
like that.
-- 
Yves-Alexis